[YarickR]

Like, what kind of troublesome ? Care to provide more or less coherent and realistic scenario ?

[PakG1]

I think parent is saying this would be an interesting way to mine a population for marks that could be espionage targets with easily identifiable special needs susceptible to temptation by foreign entities for nefarious goals. Did I make that obtuse enough or what? :D

[coldtea]

Because there aren't 100 easier ways to achieve that?

[PakG1]

But then where would all the cool historical spy movies come from as time passes?

[jacquesm]

Blackmailing officials who have done something shady or embarrassing which has not yet been detected by the local authorities or the press.